Cambricon®
Copyright © 2020 Cambricon Corporation
8
coupling capacitor is placed near the fastener
connector of the baseboard. The
recommended capacitance value is 220 nF
PERp/n [15:0]
I
PCIE signal receiving. MLU290-M5 receive,
baseboard send. Make sure that AC coupling
capacitor is placed near the sending chip or
fastener connector of the baseboard. The
recommended capacitance value is 220 nF
/
PE_REFCLKp/n
I
PCIE 100MHz reference clock
/
PERST#
I
MLU290-M5 reset signal, low level effective
3.3V
HOST_PWRGD
I
Baseboard power good indication signal
3.3V
MODULE_PWRGD
O
MLU290-M5 power good indication signal
3.3V
PWRBRK#
I
Power brake, reduce to 1/4 of current power
consumption, low level effective
3.3V
MODULE_ID[4:0]
I
MLU290-M5 slot ID. MLU290-M5 internal
default 10K
Ω
pull-up resistor
3.3V
I2C_SLV_D
I/O
I2C data signal, MLU290-M5 works in slave
mode
3.3V
I2C_SLV_CLK
I
I2C clock signal, MLU290-M5 working in
slave mode
3.3V
I2C_SLV_ALERT#
O
I2C alarm signal, MLU290-M5 works in slave
mode
3.3V
UART_TXD
O
MLU290-M5 MCU UART serial port output
3.3V
UART_RXD
I
MLU290-M5 MCU UART serial port input
3.3V
JTAG0_TRST
I
MLU290-M5 JTAG0 TRST reset signal
1.8V
JTAG0_TMS
I
MLU290-M5 JTAG0 TMS mode selection
signal
1.8V
JTAG0_TCK
I
MLU290-M5 JTAG0 TCK clock signal
1.8V
JTAG0_TDO
O
MLU290-M5 JTAG0 TDO data output signal
1.8V
JTAG0_TDI
I
MLU290-M5 JTAG0 TDI data input signal
1.8V
PRSNT0#
O
MLU290-M5 fastener connector 0 in position
signal, MLU290-M5 default 1K
Ω
pull-down
resistor. Recommend 10K
Ω
pull-up resistor
on baseboard.
1.8V or
3.3V
MANF_MODE#
I
Undefined functions
3.3V
FW_RECOVERY#
I
Undefined functions
3.3V
TEST_MODE#
I
Test mode. NC is acceptable
1.8V or
3.3V
RFU
/
Reserved pin
/
2Table 4.2 MLU290-M5 connector arrangement of pin 1
Signal
Direction of
signal
Signal description
Voltage
voltage
